158864317 has 8 divisors (see below), whose sum is σ = 162740160. Its totient is φ = 154996800.

The previous prime is 158864311. The next prime is 158864323. The reversal of 158864317 is 713468851.

It is an interprime number because it is at equal distance from previous prime (158864311) and next prime (158864323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158864317 - 2³ = 158864309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158864311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55317 + ... + 58117.

It is an arithmetic number, because the mean of its divisors is an integer number (20342520).

Almost surely, 2^158864317 is an apocalyptic number.

It is an amenable number.

158864317 is a deficient number, since it is larger than the sum of its proper divisors (3875843).

158864317 is a wasteful number, since it uses less digits than its factorization.

158864317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its digits is 161280, while the sum is 43.

The square root of 158864317 is about 12604.1388837159. The cubic root of 158864317 is about 541.5960064146.

The spelling of 158864317 in words is "one hundred fifty-eight million, eight hundred sixty-four thousand, three hundred seventeen".